assert_equal '0', %q{ begin GC.stress = true pid = fork {} Process.wait pid $?.to_i rescue NotImplementedError 0 end }, '[ruby-dev:32404]' assert_finish 10, %q{ begin children = (1..10).map{ Thread.start{fork{}}.value } while !children.empty? and pid = Process.wait children.delete(pid) end rescue NotImplementedError end }, '[ruby-core:22158]' assert_normal_exit(<<'End', '[ruby-dev:37934]') Thread.new { sleep 1; Thread.kill Thread.main } Process.setrlimit(:NPROC, 1) fork {} End